Environmental science integrates physical and biological sciences to the study of the environment, with the goal of solving today’s environmental challenges. Many of these challenges tie into a greater concept of using the earth’s resources sustainably.

This Gil Scott-Heron double album, roughly two thirds of which was recorded live in Boston on July 2-4, 1976, makes the most of its Centennial-centric time frame. Between the American flag striped cover art and Heron's spoken word spiel on an 8-and-a-half minute poem/rant "Bicentennial Blues," the album loses little of its impact, regardless of how the years have mildewed once fresh political topics like Nixon, Agnew, and Watergate. Four of its songs are studio recordings …